DD66870A - - Google Patents

Info

Publication number
DD66870A
DD66870A DD66870DA DD66870A DD 66870 A DD66870 A DD 66870A DD 66870D A DD66870D A DD 66870DA DD 66870 A DD66870 A DD 66870A
Authority
DD
German Democratic Republic
Application number
Publication of DD66870A publication Critical patent/DD66870A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
    • B21H3/04—Making by means of profiled-rolls or die rolls
    • B21H3/042—Thread-rolling heads

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
DD66870D DD66870A (it)

Publications (1)

Publication Number Publication Date
DD66870A true DD66870A (it)

Family

ID=258601

Family Applications (1)

Application Number Title Priority Date Filing Date
DD66870D DD66870A (it)

Country Status (1)

Country Link
DD (1) DD66870A (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2495512A1 (fr) * 1980-06-26 1982-06-11 Dn Gorny I Procede d'execution sur une ebauche d'un filetage elastiquement deformable dont le profil comporte une cavite helicoidale fermee, outil a fileter pour la mise en oeuvre dudit procede et pieces filetees conformement audit procede

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2495512A1 (fr) * 1980-06-26 1982-06-11 Dn Gorny I Procede d'execution sur une ebauche d'un filetage elastiquement deformable dont le profil comporte une cavite helicoidale fermee, outil a fileter pour la mise en oeuvre dudit procede et pieces filetees conformement audit procede
US4491002A (en) * 1980-06-26 1985-01-01 Toropov Gennady A Method for forming on workpiece resilient thread having closed helical cavity inside the thread

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